CA1124101A - Detecteur d'hydrogene gazeux - Google Patents

Detecteur d'hydrogene gazeux

Info

Publication number: CA1124101A
Authority: CA; Canada
Prior art keywords: thermocouple; detector; hydrogen; junction; set forth
Prior art date: 1978-09-06
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA329,871A

Other languages

English (en)

Inventor

Thomas L. Bohl

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Babcock and Wilcox Co

Original Assignee

Babcock and Wilcox Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-09-06

Filing date

1979-06-15

Publication date

1982-05-25

1979-06-15 Application filed by Babcock and Wilcox Co filed Critical Babcock and Wilcox Co

1982-05-25 Application granted granted Critical

1982-05-25 Publication of CA1124101A publication Critical patent/CA1124101A/fr

Status Expired legal-status Critical Current

Links

UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 50
229910001316 Ag alloy Inorganic materials 0.000 claims abstract description 13
SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 claims abstract description 11
230000003197 catalytic effect Effects 0.000 claims description 27
239000007789 gas Substances 0.000 claims description 25
239000001257 hydrogen Substances 0.000 claims description 25
229910052739 hydrogen Inorganic materials 0.000 claims description 25
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 16
238000000034 method Methods 0.000 claims description 11
229910052763 palladium Inorganic materials 0.000 claims description 9
239000000463 material Substances 0.000 claims description 8
238000005530 etching Methods 0.000 claims description 6
229910001369 Brass Inorganic materials 0.000 claims description 5
239000010951 brass Substances 0.000 claims description 5
239000011521 glass Substances 0.000 claims description 5
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
238000009835 boiling Methods 0.000 claims description 3
229910052709 silver Inorganic materials 0.000 claims description 3
239000004332 silver Substances 0.000 claims description 3
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
229910017604 nitric acid Inorganic materials 0.000 claims description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
229910001252 Pd alloy Inorganic materials 0.000 claims 2
230000003213 activating effect Effects 0.000 claims 1
238000009413 insulation Methods 0.000 claims 1
238000012544 monitoring process Methods 0.000 claims 1
239000003054 catalyst Substances 0.000 abstract description 16
239000011248 coating agent Substances 0.000 abstract description 2
238000000576 coating method Methods 0.000 abstract description 2
229910000809 Alumel Inorganic materials 0.000 description 5
229910001179 chromel Inorganic materials 0.000 description 4
229910052751 metal Inorganic materials 0.000 description 4
239000002184 metal Substances 0.000 description 4
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
229910045601 alloy Inorganic materials 0.000 description 3
239000000956 alloy Substances 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
238000002485 combustion reaction Methods 0.000 description 3
238000002788 crimping Methods 0.000 description 3
RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
238000007084 catalytic combustion reaction Methods 0.000 description 2
239000003546 flue gas Substances 0.000 description 2
238000004817 gas chromatography Methods 0.000 description 2
239000012528 membrane Substances 0.000 description 2
150000002940 palladium Chemical class 0.000 description 2
239000005297 pyrex Substances 0.000 description 2
238000005070 sampling Methods 0.000 description 2
230000035945 sensitivity Effects 0.000 description 2
239000000126 substance Substances 0.000 description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
239000004593 Epoxy Substances 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
239000002253 acid Substances 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
238000010923 batch production Methods 0.000 description 1
229910002091 carbon monoxide Inorganic materials 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
238000005352 clarification Methods 0.000 description 1
239000003517 fume Substances 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
150000002431 hydrogen Chemical class 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000003345 natural gas Substances 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229940093932 potassium hydroxide Drugs 0.000 description 1
235000011118 potassium hydroxide Nutrition 0.000 description 1
238000004886 process control Methods 0.000 description 1
238000010998 test method Methods 0.000 description 1
238000002076 thermal analysis method Methods 0.000 description 1

Landscapes

Investigating Or Analyzing Materials Using Thermal Means (AREA)

CA329,871A 1978-09-06 1979-06-15 Detecteur d'hydrogene gazeux Expired CA1124101A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US94004978A	1978-09-06	1978-09-06
US940,049		1978-09-06

Publications (1)

Publication Number	Publication Date
CA1124101A true CA1124101A (fr)	1982-05-25

Family

ID=25474133

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA329,871A Expired CA1124101A (fr)	1978-09-06	1979-06-15	Detecteur d'hydrogene gazeux

Country Status (1)

Country	Link
CA (1)	CA1124101A (fr)

1979
- 1979-06-15 CA CA329,871A patent/CA1124101A/fr not_active Expired

Legal Events

Date	Code	Title	Description
1999-05-25	MKEX	Expiry

Publication	Publication Date	Title
US4298574A (en)	1981-11-03	Hydrogen gas detector
US4063898A (en)	1977-12-20	Combustible gases detector
CA1084298A (fr)	1980-08-26	Methode de controle d'un gaz et appareil servant a cette fin
US4584867A (en)	1986-04-29	Device for selectively determining the components of gas mixtures by means of a gas sensor
Gentry et al.	1986	The role of catalysis in solid-state gas sensors
CA1221735A (fr)	1987-05-12	Dispositif semiconducteur a base d'oxyde pour la detection de gaz combustibles
JPH05503781A (ja)	1993-06-17	Ｓｏ↓２センサ及びｓｏ↓２検出方法
US5055266A (en)	1991-10-08	Method for detecting toxic gases
US4141955A (en)	1979-02-27	Combustible concentration analyzer
McAleer et al.	1985	Tin dioxide gas sensors: use of the Seebeck effect
Lee et al.	1962	On the rate of combustion of soot in a laminar soot flame
US4128458A (en)	1978-12-05	Combustible element and oxygen concentration sensor
JPS63218852A (ja)	1988-09-12	排ガス中のｏ↓２及び可燃ガス濃度測定装置
US4129491A (en)	1978-12-12	Oxygen concentration analyzer
US4870025A (en)	1989-09-26	Method of sensing methane gas-I
US4325912A (en)	1982-04-20	Carbon monoxide detection apparatus
US4222900A (en)	1980-09-16	Method of activating a palladium-silver alloy
Urban et al.	1991	The construction of microcalorimetric biosensors by use of high resolution thin-film thermistors
EP0236441A1 (fr)	1987-09-16	Capteur de flux de gaz entrant
US5070024A (en)	1991-12-03	Hydrocarbon detector utilizing catalytic cracking
US4663017A (en)	1987-05-05	Combustibles sensor
CA1074979A (en)	1980-04-08	Detection and measurement of no2 and o3
Jones et al.	1988	Flammable gas detection
CA1087869A (fr)	1980-10-21	Detecteur de gaz combustibles
US2631925A (en)	1953-03-17	Apparatus for the continuous analysis of oxygen and hydrogen